23201542533 has 8 divisors (see below), whose sum is σ = 33315035488. Its totient is φ = 14277872304.

The previous prime is 23201542513. The next prime is 23201542541. The reversal of 23201542533 is 33524510232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23201542533 - 2¹⁰ = 23201541509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23201542533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201542513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297455635 + ... + 297455712.

It is an arithmetic number, because the mean of its divisors is an integer number (4164379436).

Almost surely, 2^23201542533 is an apocalyptic number.

It is an amenable number.

23201542533 is a deficient number, since it is larger than the sum of its proper divisors (10113492955).

23201542533 is a wasteful number, since it uses less digits than its factorization.

23201542533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594911363.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 23201542533 in words is "twenty-three billion, two hundred one million, five hundred forty-two thousand, five hundred thirty-three".